TK71220 データシートの表示（PDF） - Toko America Inc
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TK71220 Datasheet PDF : 18 Pages
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FEATURES
s Low Dropout Voltage
s Low Quiescent Current
s Very Stable Output
s Low Noise (35 µVrms)
s Miniature Package (SOT-25)
TK712xx
LOW DROPOUT REGULATOR
APPLICATIONS
s Battery Powered Systems
s Portable Consumer Equipment
s Cordless Telephones
s Personal Communications Equipment
s Radio Control Systems
s Toys
s Low Voltage Systems
DESCRIPTION
TK712xx is a low dropout, linear regulator. Since a PNP
power transistor is used, dropout voltage is very low,
making it possible to maintain stable output voltage even
as the battery decreases. This allows longer battery life.
The TK712xx has a noise bypass pin available for noise
reduction.
TK712xx
NOISE
BYPASS
VIN
The TK712xx is available in a miniature SOT-25 surface
20P
mount package.
GND
GND
VOUT
ORDERING INFORMATION
TK712 M
VoltageCode
Tape/Reel Code
VOLTAGE CODE
20 = 2.0 V
35 = 3.5 V
25 = 2.5 V
40 = 4.0 V
28 = 2.8 V
45 = 4.5 V
30 = 3.0 V
50 = 5.0 V
33 = 3.3 V
TAPE/REEL CODE
TL: Tape Left
VIN
NOISE
BYPASS
January 1999 TOKO, Inc.
BLOCK DIAGRAM
THERMAL
PROTECTION
VOUT
BANDGAP
REFERENCE
GND
GND
Page 1
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